The Scripps Research Institute team created a library of 50 synthetic compounds from natural Japanese-plant compounds, including one that shows great promise in inhibiting HIV replication and fighting inflammation. The compound has been identified as a promising lead for potential use as an HIV-fighting drug.
Researchers developed an optogenetic device to control the behavior of Caenorhabditis elegans worms using pulses of blue and green light. They successfully activated or inactivated specific neurons or muscle cells, turning the worm into a virtual biorobot.
Sharks lack color vision due to having only one type of long-wavelength-sensitive cone cell in their retina. This finding may help prevent shark attacks and improve fishing gear design.
A new study in Journal of Consumer Research found that people who feel depleted from exerting self-control tend to pass up the most desirable choices and opt for options with lower-level features. This is known as the 'easy path effect', where individuals prioritize short-term rewards over long-term benefits.
Wiley's Online Books program has evolved over the past decade, providing customers with a wide range of access and purchase options. With over 10,000 online books available, the platform offers unparalleled convenience for researchers, academics, and professionals worldwide.
Research highlights the key role of estrogen signaling in maintaining energy balance, as well as the propagation of α-synuclein in Parkinson's disease. Additionally, a new immune cell activator has been identified to protect mice from tumors through an IFN-gamma-independent mechanism.
Researchers at the Weizmann Institute discovered that antioxidants can cause a decrease in ovulation levels in female mice, potentially disrupting fertility. The study suggests that reactive oxygen species play a crucial role in the ovulation process and may be affected by antioxidant supplementation.
A recent study by Kurt A. Carlson and Jacqueline M. Conard discovered that the first letter of one's childhood surname influences consumer behavior, with individuals having late alphabet surnames responding faster to purchasing opportunities, whereas those with early alphabet surnames tend to wait in line.
People with knee osteoarthritis are more likely to walk fast enough if they lead physically active lives, according to new research. The study found that even a small increase in activity is related to better walking function.
Researchers at the University of Nottingham successfully reactivated tumour suppressor genes in breast cancer cells by treating them with Axolotl oocyte extract, stopping cancerous growth after 60 days. This breakthrough discovery holds promise for developing a powerful new technology platform for the treatment of various cancers.
A systematic review found that antioxidant supplements may benefit couples trying to conceive naturally, particularly when the male partner takes antioxidants. The review of 34 trials involving over 2,800 couples suggests a higher likelihood of pregnancy or live birth when antioxidants are used.
A letter in Intern Emerg Med sparked a debate among scientists about advising the public on safe drinking levels. While some argue that people can't distinguish between low and high consumption, others contend that moderate drinking may reduce stroke risk. Experts emphasize the need for balanced scientific data and personalized advice.
A new CPR technique using compression-decompression and negative intrathoracic pressure increases blood flow to the heart and brain by nearly three times, leading to a 53% improvement in long-term survival. The study involved 46 EMS agencies and showed that this alternative method is more effective than standard CPR.
A new Cochrane Systematic Review questions the benefits of statins in people with no previous history of heart disease. Statin use should be prescribed with caution in those at low risk of cardiovascular disease, as the absolute numbers of people who benefit are lower.
A new study in the Journal of Consumer Research shows that women outperform men in figuring out innovative products. Women are able to accurately identify unusual products when exposed to ads alongside similar or related items, but struggle to remember specific product claims.
A new study explores how emotions hinder safety product decisions, finding that people reject imperfectly safe options due to feelings of betrayal. Providing positive images and presenting information in a graphic format can help consumers make safer choices. Influencing others' choices can also encourage safer decisions.
New research from the University of Michigan reveals that decreasing snow and ice cover in the Northern Hemisphere has exacerbated global warming, with a stronger positive feedback mechanism than initially predicted. The study shows that the cryospheric albedo feedback is almost twice as strong as models have simulated, contributing to...
A European study found that consuming at least eight portions of fruit and vegetables daily reduces the risk of death from ischaemic heart disease by 22% compared to those who consume fewer than three portions. The study analyzed data from over 300,000 participants in eight European countries.
A new study published in Journal of Clinical Lipidology shows that soy protein significantly lowers total and non-HDL cholesterol levels compared to milk protein. The results suggest a novel mechanism for soy protein's cholesterol-lowering effects, which do not involve increased bile acid excretion.
A new research project at Tel Aviv University has developed a security application called Locaccino to fine-tune privacy settings based on user information and behavior. The app allows users to track their friends' physical location, but also provides flexibility in sharing personal data online.
Researchers at UCSF have discovered that a mother's immune response prevents fetal acceptance of transplanted blood stem cells, but their own stem cells can be used to overcome this issue. The study suggests that using maternal stem cells could lead to successful treatment of genetic diseases before birth.
A new study reveals that stress and anxiety enhance the brain's detection of external stimuli, but disrupt complex thinking and executive functions. The findings suggest that chronic stress can create a paradox in experimental psychology, favoring quick reflexive actions over strategic decision-making.
A double-blind placebo-controlled study found that kudzu extract had little to no effect on participants' behavioral, physical, or cognitive performance. However, treatment with kudzu caused an increase in heart rate, skin temperature, and blood ethanol levels.
A study of over 2,000 US patients found greater HIV/AIDS-related morbidity among women, nonwhites, and those from the southern US. The disparities were attributed to socioeconomic factors beyond biological influences.
A new study found that alcohol dependence significantly predicts delayed marriages and early separations. Genetic influences also play a role in these associations.
A rock concert raised £30,000 for cancer research by Photodynamic Therapy (PDT), supporting Dr. Alison Curnow's clinical PDT research team at the Peninsula Medical School and Royal Cornwall Hospital. The funding will enable them to continue their work on this relatively unknown light-activated anti-cancer drug therapy.
A recent study found that approximately one-third of adolescents with any mental disorder received services for their illness, while only half of those with severely impairing mental disorders had ever received mental health treatment. The study highlights the urgent need to address barriers to recognizing and treating mental health co...
Researchers at Sanford-Burnham Medical Research Institute have discovered a genetic mechanism that causes lipotoxic cardiomyopathy independently of a diet high in fat. The study found that an imbalance in cellular fats can lead to heart problems, and targeting the SREBP protein may help prevent these issues.
Researchers at UNC Health Care have discovered a molecule, microRNA-29, that can make brain cells resistant to programmed cell death or apoptosis. This breakthrough could lead to new treatments for neurodegenerative illnesses like Alzheimer's disease and Huntington's disease.
A study published in JAMA Network found that escitalopram significantly reduced the frequency and severity of menopausal hot flashes in healthy women. The medication was associated with a 47% decrease in hot flash frequency compared to placebo, making it a nonhormonal option for treating menopausal hot flashes.
A recent study by Keisha M. Cutright et al. reveals that individuals with low confidence in their government tend to choose subtle ways of showing support, such as buying U.S.-based products or preferring domestic brands like Nike over foreign alternatives.
Researchers identify TRPA1 receptor as the culprit behind olive oil's unique sensory irritation and cough sensation. The receptor is also activated by ibuprofen, an over-the-counter NSAID, revealing a potential mechanism for the anti-inflammatory compound's action.
A new program aiming to bridge the gap between body and mind has received a $3.9 million grant to create comprehensive, integrated healthcare systems in Colorado. The program, ACT, will engage local leaders to tackle fragmentation in healthcare and produce best practice models for whole-person care.
Research finds that asking for advice can increase likelihood of patronizing a business and donating to a nonprofit. On the other hand, soliciting expectations creates distance and reduces subsequent transactions.
A team of European researchers has generated a comprehensive digital gene expression atlas for the developing mouse embryo, revealing tissue-specific and overlapping gene networks. The atlas includes data for over 15,000 genes in hundreds of anatomical structures and provides insight into developmental processes.
Medical College of Georgia researchers explore the role of aquaporin-4 in traumatic brain injuries, discovering that curcumin and brilliant blue G can block inflammation and swelling. The findings hold promise for improved treatment options for patients with TBI.
A new study of 434 young heterosexual couples found that many are misjudging their partners' risk behaviors and failing to communicate effectively about monogamy. Almost 30% of those who claimed to have an explicit agreement broke it, with at least one partner having sex outside the relationship.
A team of researchers found excess left-handed isovaline in a wider range of carbon-rich meteorites, suggesting conditions on asteroids favored the creation of left-handed amino acids. Liquid water appears to be key to this process, and its amplification may have perpetuated a bias toward left-handed life.
Researchers have gained insight into HIV's structure and how it infects healthy cells. The study provides key information to develop treatments that stop HIV from entering cells.
Patients with quiescent Crohn's disease exhibit a 30% decrease in vitamin D2 absorption capacity compared to healthy individuals. A vitamin D bioavailability test is essential for assessing malabsorption and guiding therapeutic dosing.
Researchers discover that selective activation of nonclassical ER-alpha signaling may help reduce postmenopausal obesity risk by normalizing energy balance. The study found that this type of estrogen signaling is crucial for regulating body weight and preventing metabolic disorders.
Researchers identified a chaperone enzyme, Rad18, that plays a key role in accurate DNA repair, and a signaling protein, Cdc7, that ensures error-free repair. This discovery offers a promising new target for cancer therapies, potentially overcoming resistance to DNA-damaging treatments.
A study found that lower levels of beta-amyloid protein fragments, combined with less education, are associated with a faster rate of cognitive decline over nine years. Cognitive reserve measures modified the association, with those having higher reserves showing less decline.
Researchers at VCU have developed a model to create more patient-centered personal health records. The model emphasizes the need for actionable information and coordination of care. By doing so, patients can better manage their health.
A meta-analysis found depression affects approximately one-sixth of cancer patients, with about a third having more widely defined mood disorder. The study suggests that depression is not an inevitable consequence of cancer diagnosis.
Researchers discovered aphids on ginger and heliconia plants have genetic differences from those on banana plants, reclassifying them as a separate species Pentalonia caladii. This finding has significant implications for the biological control of banana aphids and preventing the spread of BBTV.
A new CPR technique has been shown to increase long-term survival after cardiac arrest, with a 53% improvement in survival rates compared to standard CPR. The active compression-decompression cardio-pulmonary resuscitation (CPR) method provides nearly three times more blood flow to the heart and brain.
Researchers have developed a groundbreaking technique to visualize cellular changes in deep brain regions, providing insight into addiction and brain tumors. The study used time-lapse fluorescence microendoscopy to track structural changes in neurons over weeks.
A recent study published in Psychological Science found that people's predictions of apology value are often inaccurate. The researchers used an experiment to test how individuals perceive apologies and discovered that those who imagined receiving an apology valued it more than those who actually received one.
Scientists have determined the structure and mechanism of a key enzyme in Staphylococcus aureus that produces cholesterol and a virulence factor. This breakthrough could lead to new cholesterol-lowering drugs and antibiotics against staph infections, as well as treatments for parasitic diseases.
Children with severe asthma experience a significant decline in lung function during adolescence, leading to increased symptoms and disease severity later in life. Early identification and treatment are crucial to stem progression.
A tiny polypeptide has been developed that can bind to target-seeking molecules, enhancing their properties and improving the efficiency of drug development. The concept presents a new approach to drug development, potentially allowing for rapid development of new drugs with reduced costs and time.
The drug tranexamic acid (TXA) has been shown to reduce the risk of death in trauma patients with severe bleeding by 10%, potentially saving over 70,000 lives each year. TXA reduces clot breakdown and has few side effects, making it a promising treatment option for civilian and military settings.
A Concordia University study reveals that younger adults are quicker to respond when faced with an unexpected event, whereas older adults take longer to adapt. This finding has implications for educators and older adults in situations where performance is crucial.
Researchers have developed a more robust approach to functional magnetic resonance imaging (fMRI) that can improve the detection of neural activity and allow for more precise interpretations of fMRI data. This new technique involves three stages: prediction, modeling, and inference, which can turn noisy data into discrete sequences of ...
Researchers at Duke University Medical Center discovered how nanoparticles from diesel exhaust damage lung airway cells, a finding that could lead to new treatments for people susceptible to airway disease. The study showed that the severity of injury depends on an individual's genetic make-up.
A new study suggests that periodontal disease may increase the risk for respiratory infections like COPD and pneumonia. Regular oral care can help prevent periodontal disease, which has been linked to other chronic inflammatory diseases.
This special issue of Biological Psychiatry highlights the benefits and challenges of postmortem research in studying psychosis, schizophrenia, and other psychiatric disorders. Advances in science and technology have expanded the scope of postmortem work, allowing for more detailed studies of brain structure and function.
Research from the University of Texas at Austin found that physical distance between people during negotiations can lead to better outcomes. Negotiators who were far apart scored higher on efficiency ratings than those who were nearby, but this advantage decreased when participants were focused on their high-level motives.
A new study suggests that a storytelling approach can help African-Americans with hypertension control their blood pressure through diet and medication adherence. The approach, which involves recognizable community members sharing positive messages, was found to be effective in improving blood pressure control among patients.
The University of Warwick has developed a new HDR video technology that can capture and display dynamic images with a wider range of lighting conditions. The system will revolutionise the use of HDR in various applications, including surveillance cameras and surgical procedures.
Researchers at EUREKA have developed a new laser-based technology to create nano-structured polymers that enable faster and more efficient growth of human skin cells. This innovation has the potential to revolutionize nanotech medicine, allowing for the creation of artificial implants and tissue engineering.
Researchers Jacek Debiec and Regina Sullivan are studying neural circuits to understand how fear is passed from mother to offspring in rats. This research aims to develop early therapeutic remedies for anxiety disorders related to trauma.
Researchers develop molecular imaging procedure to detect beta-amyloid in brains of individuals with Alzheimer's disease, increasing clinical diagnosis accuracy. The study shows a correlation between florbetapir-PET images and presence and quantity of beta-amyloid pathology at autopsy.
Syracuse University's new supercomputer will enable scientists to explore the universe in ways not currently possible, with a focus on gravitational-wave astronomy and analysis of LIGO data. The computer cluster is one of three worldwide dedicated to this field, providing vital technologies for analyzing data from distant objects.
Postmenopausal women receiving hormone replacement therapy with estrogen plus progestin are at increased risk of breast cancer due to the interaction between estrogen, progesterone, and amphiregulin. The discovery may lead to new treatment methods targeting hormone-dependent breast cancers.
A new analysis finds that Arctic snow and sea ice decline has doubled the estimate of climate models, suggesting more significant amplification of warming. The study suggests that as temperatures warm, energy is absorbed by the Earth instead of being reflected back into the atmosphere.
Researchers recommend a selective CT scan strategy to diagnose pulmonary embolism, reducing radiation exposure and adverse reactions. The approach involves using compression ultrasound to test for deep vein thrombosis before ordering a CT scan, resulting in cost savings and increased life expectancy for patients.
Researchers found that recent bus or tram use within five days of symptom onset was associated with a six-fold increased risk of going to the doctor. Daily users may be protected against seasonal influenza and pandemic risks due to repeated exposure, experts say.
Researchers discover two new species of 'leaping' beetles in New Caledonia that feed on previously unknown plants. The study used DNA sequencing to identify the diet of these herbivorous insects, revealing a secret botanical diversity on the island.
The University of California, San Diego's Trauma Epidemiology and Injury Prevention Research Center is expanding its older driver screening program to other counties, focusing on interventions for at-risk drivers. The program aims to identify and address medical conditions that may interfere with safe driving.
A recent University of Illinois study shows that sweet corn can be grown successfully with reduced atrazine use, but may not often be able to do so. The study found that weed control falls apart quickly when atrazine is removed, increasing the risk of yield losses.
Researchers found that presenilin helps guide embryonic motor neurons through a maze of chemical cues, ensuring they reach their targets. Without it, motor neurons misread guidance signals and get stuck in the spinal cord.
A study by German Cancer Research Center found that hormone replacement therapy and a lack of physical activity significantly increase breast cancer risk. Behavioral changes in these areas could prevent nearly 30% of postmenopausal breast cancers.
A systematic review of eHealth technologies found weak and inconsistent evidence supporting their use. The study highlights the need for further evaluation of these technologies to ensure they improve patient outcomes and are cost-effective.
The collaboration aims to verify the existence of a higher ASD prevalence among Somali children in Minneapolis. The project will use surveillance methods developed at the CDC to investigate the issue, which has been raised by parents and community members.
A study has demonstrated the safety and feasibility of using a magnetic maneuverable capsule to visualize the gastric mucosa in healthy volunteers. The capsule was well-tolerated and provided excellent visualization of the stomach lining, with 75% of the gastric mucosa visualized in most subjects.
A new study reveals that deaf and hard-of-hearing children are more likely to experience abuse and neglect, with higher rates of depression and post-traumatic stress in adulthood. The research found that having a deaf parent or family member did not reduce the risk of childhood maltreatment.
Key figures in global health argue that medical publishers must provide free access to all of their journals in low-income countries, including Bangladesh. The Lancet editorial supports this call and advocates for universal free access to critical knowledge in the 42 countries with low human development.
A new nomogram developed by Matthias Egger and colleagues corrects mortality rate biases in HIV treatment programs, allowing for more accurate estimates of patients lost to follow-up. This method provides a valuable tool for programmatic mortality estimates, helping to keep the HIV treatment effort on track.
A new study finds that hypermasculinity and trait aggression are strongly linked to the perpetration of aggression in bars, not victimization. This challenges the common belief that young men who engage in aggression in bars are willing participants.
Researchers at the University of Central Florida have developed a technique to detect cholera toxin using a complex sugar and nanoparticles. The method could provide faster and less expensive results than current detection methods, enabling relief workers to restrict access to contaminated sources.
Research confirms adult ADHD significantly increases risk of developing degenerative dementia with Lewy bodies (DLB), a common cause of dementia in older adults. The study, published in the European Journal of Neurology, found 48% of patients with DLB had previously suffered from adult ADHD.
Researchers at Northwestern University have developed a material that can harness electricity from heat-generating items with 14% efficiency, a scientific first. The material, composed of nanocrystals of rock salt in lead telluride, reduces electron scattering and increases energy conversion efficiency.
Thea Friedman, oncology basic research director at the John Theurer Cancer Center, has received a $2 million NIH grant to advance blood and marrow transplant research. Her team aims to develop personalized transplantation techniques using T cell receptor analysis to separate donor cells responsible for graft-versus-host disease from th...
A simple, standardized TB screening rule has been developed for resource-constrained settings to identify people living with HIV who need further investigation for TB disease. The absence of common symptoms such as cough, fever, and night sweats can be used to identify individuals with a low probability of having TB disease.
Researchers created a robotic fish that can swim vertically and horizontally with unprecedented agility. The robot uses a sophisticated fin to generate inward counterpropagating waves, allowing it to move in unexpected directions. Its potential applications include underwater recovery operations and long-term monitoring of coral reefs.
A new study by Michigan State University finds that residents of larger cities in China exhibit more environmentally friendly behavior than those in smaller cities. The study suggests that employment and leadership opportunities play a key role in promoting pro-environmental attitudes and behaviors.
Health experts recommend establishing new traditions to increase happiness and avoid wintertime woes. Small changes can add up over time by focusing on one or two behaviors at a time.
A new study published in British Environmental Conservation journal found that people with good jobs in large cities are more likely to engage in pro-environmental activities. The researchers analyzed data from China's General Social Survey, which showed employees who work for companies in big cities and hold leadership positions repor...
A new underwater warfare model has been developed by Korean researchers, using the DEVS formalism, to analyze the effectiveness of various tactics and weapon systems in combat scenarios. The model provides a flexible framework for testing different algorithms and parameters with minimal modification.
A Ph.D. student at Université du Québec à Montréal has identified a gene that may facilitate the diagnosis of B-cell acute lymphocytic leukemia, mostly affecting children. The Fmn2 gene shows abnormal activity in both mouse and human cells with this disease.
Researchers at Dana-Farber Cancer Institute will develop transient immunity against known and unknown disease-causing pathogens with a focus on rapid development within seven days. The project aims to address growing concerns of emerging and re-emerging pathogens through advanced diagnostics and medical therapies.